Purge-and-trap uses an inert gas to strip VOCs from aqueous samples (such as drinking water or soil samples), before concentrating them onto a cooled focusing trap similar to that used in thermal desorption, followed by desorption onto the GC column.

EST Analytical’s Evolution purge-and-trap concentrator delivers high productivity and reliability, while complying with numerous standard methods (e.g. US EPA Method 8260).


Why use the Evolution purge-and-trap concentrator?

  • Unparalleled water removal during the purge phase.
  • Reduced carryover resulting from a unique patented design.
  • Improved chromatographic resolution.
  • Fast cycle times.
  • User-friendly interface.


Please complete the form below to download the Evolution purge-and-trap brochure.

Download Brochure

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